Brendan Rodgers has criticised Arsenal's top scorer Alexis Sanchez for diving.
The Liverpool manager felt the Chilean deliberately earned the free-kick which led to Mathieu Debuchy's goal.
It ensured the two teams went in level at half-time, with the Reds going 1-0 up through Coutinho moments earlier.
Rodgers said in his post-game press conference: "I didn’t think it was a free-kick. I think Sánchez dived when he realised he was not getting the ball."
He admitted though that once the set piece was awarded, Liverpool had only themselves to blame.
"To lose three one- on-one headers in the box is not about organisation, it’s about winning duels and we have to be better than that."
Rodgers had admitted ahead of the game how he had desperately attempted to sign Sanchez from Barcelona in the summer transfer window.
Sanchez snubbed the move, joining Arsenal instead, and Liverpool have yet to find a replacement for Luis Suarez.
The Uruguayan was regularly accused of diving during his time at Anfield, but Rodgers was less swift to point out his moments of indiscretion.